—Recognizes previous antigens so that the immune response will be much faster in case of a second infection

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy  ´  rryy? 

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content